Nautiyal. Shivanand. (2012). Paryavaran: Samasya aur samadhan. Samayik prakashan.
Citación estilo ChicagoNautiyal. Shivanand. Paryavaran: Samasya Aur Samadhan. New Delhi: Samayik prakashan, 2012.
Cita MLANautiyal. Shivanand. Paryavaran: Samasya Aur Samadhan. Samayik prakashan, 2012.
Warning: These citations may not always be 100% accurate.